PSTB1050-600-70_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Parameter Specification Product Code PSTB1050-600-70 Series ABB PSTB Medium Voltage Soft Starters Rated Voltage 3300 V / 6000 V (switch-selectable) Rated Current 1050 A (continuous at 40°C) Starting Current Adjustable, typically 200% - 500% of motor Full Load Current (FLC) Motor Power Range Approx. 5500 - 8000 kW (dependent on voltage, motor PF & efficiency) Control Supply Voltage 110-120V AC or 220-240V AC, 50/60 Hz (configurable) Starting Time Adjustable from 10 to 120 seconds (or more for very high inertia loads) Stopping Time Adjustable soft-stop (optional) Cooling Method Forced air cooling with high-capacity fans; may require external ducting. Enclosure IP00 / Open Type (intended for installation in a robust, contractor-suppiled floor-standing cubicle) Ambient Temperature 0°C to +40°C (32°F to 104°F) for full rating; derating up to +50°C (122°F) Altitude Up to 1000 m (3280 ft) without derating Standards & Approvals IEC, IEEE, UL, CSA, CE; compliant with IEC 60947-4-2, IEEE 519

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DESCRIBE

The ABB PSTB1050-600-70 is a high-power, heavy-duty medium-voltage soft starter from ABB's PSTB series, designed for the controlled starting and stopping of very large three-phase induction motors. This advanced unit utilizes thyristor technology to provide smooth, stepless acceleration and deceleration, dramatically reducing the mechanical and electrical stresses associated with direct-on-line (DOL) starting. It is engineered for the most demanding industrial and infrastructure applications where motor and driven equipment protection, power quality, and operational reliability are paramount.

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